1 | /* |
2 | * Copyright 2018 Google Inc. |
3 | * |
4 | * Use of this source code is governed by a BSD-style license that can be |
5 | * found in the LICENSE file. |
6 | */ |
7 | |
8 | /************************************************************************************************** |
9 | *** This file was autogenerated from GrConstColorProcessor.fp; do not modify. |
10 | **************************************************************************************************/ |
11 | #include "GrConstColorProcessor.h" |
12 | |
13 | #include "src/gpu/GrTexture.h" |
14 | #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
15 | #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
16 | #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
17 | #include "src/sksl/SkSLCPP.h" |
18 | #include "src/sksl/SkSLUtil.h" |
19 | class GrGLSLConstColorProcessor : public GrGLSLFragmentProcessor { |
20 | public: |
21 | GrGLSLConstColorProcessor() {} |
22 | void emitCode(EmitArgs& args) override { |
23 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
24 | const GrConstColorProcessor& _outer = args.fFp.cast<GrConstColorProcessor>(); |
25 | (void)_outer; |
26 | auto color = _outer.color; |
27 | (void)color; |
28 | auto mode = _outer.mode; |
29 | (void)mode; |
30 | colorVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
31 | kHalf4_GrSLType, "color" ); |
32 | fragBuilder->codeAppendf( |
33 | "@switch (%d) {\n case 0:\n %s = %s;\n break;\n case 1:\n " |
34 | " %s = %s * %s;\n break;\n case 2:\n %s = %s.w * %s;\n " |
35 | "break;\n}\n" , |
36 | (int)_outer.mode, args.fOutputColor, args.fUniformHandler->getUniformCStr(colorVar), |
37 | args.fOutputColor, args.fInputColor, args.fUniformHandler->getUniformCStr(colorVar), |
38 | args.fOutputColor, args.fInputColor, |
39 | args.fUniformHandler->getUniformCStr(colorVar)); |
40 | } |
41 | |
42 | private: |
43 | void onSetData(const GrGLSLProgramDataManager& pdman, |
44 | const GrFragmentProcessor& _proc) override { |
45 | const GrConstColorProcessor& _outer = _proc.cast<GrConstColorProcessor>(); |
46 | { |
47 | const SkPMColor4f& colorValue = _outer.color; |
48 | if (colorPrev != colorValue) { |
49 | colorPrev = colorValue; |
50 | pdman.set4fv(colorVar, 1, colorValue.vec()); |
51 | } |
52 | } |
53 | } |
54 | SkPMColor4f colorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN}; |
55 | UniformHandle colorVar; |
56 | }; |
57 | GrGLSLFragmentProcessor* GrConstColorProcessor::onCreateGLSLInstance() const { |
58 | return new GrGLSLConstColorProcessor(); |
59 | } |
60 | void GrConstColorProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
61 | GrProcessorKeyBuilder* b) const { |
62 | b->add32((int32_t)mode); |
63 | } |
64 | bool GrConstColorProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
65 | const GrConstColorProcessor& that = other.cast<GrConstColorProcessor>(); |
66 | (void)that; |
67 | if (color != that.color) return false; |
68 | if (mode != that.mode) return false; |
69 | return true; |
70 | } |
71 | GrConstColorProcessor::GrConstColorProcessor(const GrConstColorProcessor& src) |
72 | : INHERITED(kGrConstColorProcessor_ClassID, src.optimizationFlags()) |
73 | , color(src.color) |
74 | , mode(src.mode) {} |
75 | std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::clone() const { |
76 | return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(*this)); |
77 | } |
78 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConstColorProcessor); |
79 | #if GR_TEST_UTILS |
80 | std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::TestCreate(GrProcessorTestData* d) { |
81 | SkPMColor4f color; |
82 | int colorPicker = d->fRandom->nextULessThan(3); |
83 | switch (colorPicker) { |
84 | case 0: { |
85 | uint32_t a = d->fRandom->nextULessThan(0x100); |
86 | uint32_t r = d->fRandom->nextULessThan(a + 1); |
87 | uint32_t g = d->fRandom->nextULessThan(a + 1); |
88 | uint32_t b = d->fRandom->nextULessThan(a + 1); |
89 | color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(r, g, b, a)); |
90 | break; |
91 | } |
92 | case 1: |
93 | color = SK_PMColor4fTRANSPARENT; |
94 | break; |
95 | case 2: |
96 | uint32_t c = d->fRandom->nextULessThan(0x100); |
97 | color = SkPMColor4f::FromBytes_RGBA(c | (c << 8) | (c << 16) | (c << 24)); |
98 | break; |
99 | } |
100 | InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputModeCnt)); |
101 | return GrConstColorProcessor::Make(color, mode); |
102 | } |
103 | #endif |
104 | |